<li>（id:{{ $child_user->id }}）{{ $child_user->name }}--（推荐码：{{ $child_user->mrp_code }}）</li>
@if ($child_user->users)
    <ul>
        @foreach ($child_user->users as $childUser)
            @include('child_user', ['child_user' => $childUser])
        @endforeach
    </ul>
@endif
